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(No Model.)

W. BUTTLER. v

. GLASS 0R VITREOUS FACING FOR BRICK FRONTS.

Patented Nov. 24,1885.

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WVILLIAM BUTTLER, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR OF ONE- HALF TOJAMES H. BLAIR, OF SAME PLACE.

GLASS OR VITREOUSFACING FOR BRICK FRONTS.

SPECIFICATION forming part of Letters Patent No. 330,957, dated November2 1-, 1885.

Application filed July 27, 1885.

To all whom, it may concern:

Be it known that I, WILLIAM BU'ITLER, of Pittsburg, in the county ofAllegheny and State of Pennsylvania, have invented a new and usefulImprovement in Glass or Vitreous Facings for Brick Fronts; and I dohereby declare the following to be a full, clear, and exact descriptionthereof, reference being had to the accompanying drawings, forming apart of this specification, in which Figure 1 is a rear perspective viewof the brick front. Fig. 2 is afront perspective view of a modification.Fig. 3 is a vertical transverse section through a brick wall, showingthe brick fronts in position.

Like letters of reference indicate like parts in each.

In the drawings, (t represents a brick front or plate of glass or glazedmaterial of rectangular form, preferably of nearly the same area as thatof the face of an ordinary building-brick, and of any suitablethickness. A tongue, b, projects at right angles from the back of theplate, and at right angles from its longitudinal median line. Thistongue is of substantially the same width as the width of the plate a,but its lateral edges are hollowed, as at b b, so that the rear end isof greater width than the middle part.

Fig. 2 shows a modification in which the brick plate or front is made ofan L or angular shape, the angular extension a being integral with theplate a, and projecting at right angles from the end thereof.

Thus constructed, my improved device is applied to brick walls byinserting the tongue 11 between the vertical j oints of adj acentbricks, so as to bring the plate flush against the outer sides of thebricks. The plate is made a little longer than a brick to compensate forthe space taken up by mortar and the interposed tongue I), so that eachplate will cover half of each of two adjoining bricks, and the ends ofadjacent plates will abut against each other. For a like reason theplates are made a little wider than the bricks, to compensate for thespace taken up by the mortar,which is placed horizontally betweenadjacent courses of bricks, so that the sides of each plate will abutagainst the sides of the plate above and below it. No mortar need beplaced between SerialNo. 172,764. No model.)

the edges of the plates, because the tongues b will be found amplysufficient to hold them in place,while the mortar which settles in theconcavitiesb of the tongues will prevent the latter from beingwithdrawn.

The plates a are made of glass, porcelain, or other glazedsubstance-preferably opaque white glass-and the outer edges may beconveniently beveled or rounded, as shown in Figs. 2 and 3, so that whenset in position on the face of a brick wall the plates may present theappearance of enameled bricks.

The modified form of brick front shown in Fig. 2 is used at the cornersof brick walls, the part a fitting against the face of one side of thewall and held thereto by the tongue b, while the part a fits against theother side of the wall. The part a may be provided with a tongue similarto the tongue I), ifit is found desirable.

I am aware that glass bricks and glassbrick fronts, broadly considered,are not new, and I do not desire to claim the same; but the advantage ofmy improved device over others of the same class consists in its greaterstrength and durability.

A glass tongue for securing the brick front to masonry will sustain amuch greater weight if it be set vertically than if it be sethorizontally. Indeed, if it be set horizontally between adjaeent coursesof brick, the slightest settling of the building would break off thetongues and ruin the structure.

The brick fronts can be readily pressed integrally with their tongues ina suitable mold. They are cheap in cost, easy of manufacture, andpresent a beautiful appearance.

That I claim as my invention, and desire to secure by Letters Patent,is-

1. A glazed brick front made separate from the brick or bricks to whichit is to be applied, and having a backwardly-projecting tongue,whichprojects from the plate at right angles to the plane of its face, and atright angles to the longitudinal median line thereof, substantially asand for the purposes described.

2. A glazed brick front made separate from the brick or bricks to whichit is to be applied, and having a backwardly-projecting tongue,whichprojects from the plate at right angles to the plane of its face, and atright ing projecting tongues set vertically between 10 angles to thelongitudial median line thereof, the ends of adjacent bricks,substantially as said tongue being hollowed out laterally to I and forthe purposes described.

provide means for engaging the mortar of I In testimonywhereoflhavehereuntoset my masonry, substantially as and for the pur- I hand this24th day of July, A. D. 1885. poses described.

3. The combination, with adjacent bricks of masonry, of separate glazedbrick fronts set against the outer faces of the bricks, and hav- WILLIAMBUTTLER. Witnesses:

J. H. BLAIR, THOMAS W. BAKEWELL.

